# US/Lta 138S

- Type: Aircraft model (FAA registry)
- Registry code: 9230500
- Manufacturer (registry): US/LTA
- Model: 138S
- Aircraft type: Blimp/Dirigible
- Category: Airship
- Engines: 1 · Reciprocating
- Seats: 6
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Data sheet: [TCDS AS2NM](https://openairdocs.org/tcds/AS2NM) (OpenAirDocs)
- Holder: Airship do Brasil Industria e Servicos Aereos Especializados S/A
- Registered aircraft: 0
- Page: https://openairdocs.org/model/us-lta-138s

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft

None registered with this model now.

## NTSB investigations (2)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB BFO93FA107](https://openairdocs.org/ntsb/BFO93FA107), Jul 4, 1993: US/Lta 138S Airship (N832US), New York, NY, destroyed. Probable cause: INADEQUATE DESIGN OF, AND DESIGN STANDARDS FOR, THE AIRSHIP WHICH RESULTED IN AN ENVELOPE FAILURE FOLLOWING SEPARATION OF A PORTION OF THE NIGHT SIGN EQUIPMENT.
- [NTSB LAX93IA235](https://openairdocs.org/ntsb/LAX93IA235), May 25, 1993: US/Lta 138-S (N832US), Santa Maria, CA, incident, minor damage. Probable cause: INADEQUATE SPECIFICATIONS IN THE DESIGN AND MANUFACTURE OF A RUDDER CONTROL TUBE ROD END BEARING BY THE AIRSHIP MANUFACTURER.

## FAA accident and incident reports

None matched to aircraft with this model.

## STCs that may be installed (OpenAirDocs) (3)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SA01435LA](https://openairdocs.org/stc/SA01435LA): Installation of engines modified with Firewall Forward Technologies LLC modified camshaft. Centri-Lube Technologies LLC
- [STC SA5962NM](https://openairdocs.org/stc/SA5962NM): Installation of Night Sign. Fliegen Works Inc
- [STC SA01435DE](https://openairdocs.org/stc/SA01435DE) (historical): Installation of engines, modified with a Firewall Forward Technologies. Centri-Lube Technologies LLC

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
